Tamron can't keep up with the demand of the 18-300mm f/3.5-6.3, delays shipping indefinitely - DIY Photography

Surprise, surprise: shortly after announcing the 18-300mm f/3.5-6.3 lens, Tamron seems to be unable to keep up with the demand. The shipping of the lens has been delayed, and the company doesn’t know when exactly it will start shipping it again....